91264737 has 8 divisors (see below), whose sum is σ = 121819936. Its totient is φ = 60776352.

The previous prime is 91264727. The next prime is 91264751. The reversal of 91264737 is 73746219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91264737 - 2⁷ = 91264609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91264695 and 91264704.

It is not an unprimeable number, because it can be changed into a prime (91264717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13423 + ... + 19044.

It is an arithmetic number, because the mean of its divisors is an integer number (15227492).

Almost surely, 2^91264737 is an apocalyptic number.

It is an amenable number.

91264737 is a deficient number, since it is larger than the sum of its proper divisors (30555199).

91264737 is a wasteful number, since it uses less digits than its factorization.

91264737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33407.

The product of its digits is 63504, while the sum is 39.

The square root of 91264737 is about 9553.2579259643. The cubic root of 91264737 is about 450.2299022774.

The spelling of 91264737 in words is "ninety-one million, two hundred sixty-four thousand, seven hundred thirty-seven".